199673820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1493}}^1$

素因数の和:2251

約数の個数: 72

約数和(自身を含む): 606898656

約数和(自身を除く): 407224836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 743, 1486, 1493, 2229, 2972, 2986, 3715, 4458, 4479, 5972, 6687, 7430, 7465, 8916, 8958, 11145, 13374, 13437, 14860, 14930, 17916, 22290, 22395, 26748, 26874, 29860, 33435, 44580, 44790, 53748, 66870, 67185, 89580, 133740, 134370, 268740, 1109299, 2218598, 3327897, 4437196, 5546495, 6655794, 9983691, 11092990, 13311588, 16639485, 19967382, 22185980, 33278970, 39934764, 49918455, 66557940, 99836910, 199673820]

約数ペア:

[(1, 199673820), (2, 99836910), (3, 66557940), (4, 49918455), (5, 39934764), (6, 33278970), (9, 22185980), (10, 19967382), (12, 16639485), (15, 13311588), (18, 11092990), (20, 9983691), (30, 6655794), (36, 5546495), (45, 4437196), (60, 3327897), (90, 2218598), (180, 1109299), (743, 268740), (1486, 134370), (1493, 133740), (2229, 89580), (2972, 67185), (2986, 66870), (3715, 53748), (4458, 44790), (4479, 44580), (5972, 33435), (6687, 29860), (7430, 26874), (7465, 26748), (8916, 22395), (8958, 22290), (11145, 17916), (13374, 14930), (13437, 14860)]